Retrieved from the openbox Debian package.

From acfbbc4ea40932f183617bb7006700140fe5f61e Mon Sep 17 00:00:00 2001
From: Troy Curtis Jr <troycurtisjr@gmail.com>
Date: Wed, 13 Sep 2017 21:59:48 -0500
Subject: [PATCH] Add python3 support to openbox-xdg-autostart.

Updated syntax in openbox-xdg-autostart to support both python2 and
python3.

Added a configure substitution to set the chosen python at build time.

https://bugzilla.icculus.org/show_bug.cgi?id=6444
---
 .gitignore                                    |  1 +
 configure.ac                                  |  3 +
 ...xdg-autostart => openbox-xdg-autostart.in} | 70 +++++++++----------
 3 files changed, 38 insertions(+), 36 deletions(-)
 rename data/autostart/{openbox-xdg-autostart => openbox-xdg-autostart.in} (77%)

diff --git a/configure.ac b/configure.ac
index ca1602670..9a31e9845 100644
--- a/configure.ac
+++ b/configure.ac
@@ -103,6 +103,8 @@ AC_CHECK_HEADERS(ctype.h dirent.h errno.h fcntl.h grp.h locale.h pwd.h)
 AC_CHECK_HEADERS(signal.h string.h stdio.h stdlib.h unistd.h sys/stat.h)
 AC_CHECK_HEADERS(sys/select.h sys/socket.h sys/time.h sys/types.h sys/wait.h)
 
+AM_PATH_PYTHON([2],,)
+
 AC_PATH_PROG([SED], [sed], [no])
 if test "$SED" = "no"; then
   AC_MSG_ERROR([The program "sed" is not available. This program is required to build Openbox.])
@@ -259,6 +261,7 @@ AC_CONFIG_FILES([
   obrender/version.h
   obt/version.h
   version.h
+  data/autostart/openbox-xdg-autostart
 ])
 AC_CONFIG_COMMANDS([doc],
                    [test -d doc || mkdir doc])
diff --git a/data/autostart/openbox-xdg-autostart b/data/autostart/openbox-xdg-autostart.in
similarity index 77%
rename from data/autostart/openbox-xdg-autostart
rename to data/autostart/openbox-xdg-autostart.in
index 04a17a199..3c365b112 100755
--- a/data/autostart/openbox-xdg-autostart
+++ b/data/autostart/openbox-xdg-autostart.in
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!@PYTHON@
 
 # openbox-xdg-autostart runs things based on the XDG autostart specification
 # Copyright (C) 2008       Dana Jansens
@@ -28,9 +28,7 @@ try:
     from xdg.DesktopEntry import DesktopEntry
     from xdg.Exceptions import ParsingError
 except ImportError:
-    print
-    print >>sys.stderr, "ERROR:", ME, "requires PyXDG to be installed"
-    print
+    sys.stderr.write("\nERROR: %s requires PyXDG to be installed\n" % ME)
     sys.exit(1)
 
 def main(argv=sys.argv):
@@ -51,7 +49,7 @@ def main(argv=sys.argv):
             try:
                 autofile = AutostartFile(path)
             except ParsingError:
-                print "Invalid .desktop file: " + path
+                print("Invalid .desktop file: " + path)
             else:
                 if not autofile in files:
                     files.append(autofile)
@@ -99,9 +97,9 @@ class AutostartFile:
 
     def _alert(self, str, info=False):
         if info:
-            print "\t ", str
+            print("\t ", str)
         else:
-            print "\t*", str
+            print("\t*", str)
 
     def _showInEnvironment(self, envs, verbose=False):
         default = not self.de.getOnlyShowIn()
@@ -146,14 +144,14 @@ class AutostartFile:
 
     def display(self, envs):
         if self._shouldRun(envs):
-            print "[*] " + self.de.getName()
+            print("[*] " + self.de.getName())
         else:
-            print "[ ] " + self.de.getName()
+            print("[ ] " + self.de.getName())
         self._alert("File: " + self.path, info=True)
         if self.de.getExec():
             self._alert("Executes: " + self.de.getExec(), info=True)
         self._shouldRun(envs, True)
-        print
+        print()
 
     def run(self, envs):
         here = os.getcwd()
@@ -165,34 +163,34 @@ class AutostartFile:
         os.chdir(here)
 
 def show_help():
-    print "Usage:", ME, "[OPTION]... [ENVIRONMENT]..."
-    print
-    print "This tool will run xdg autostart .desktop files"
-    print
-    print "OPTIONS"
-    print "  --list        Show a list of the files which would be run"
-    print "                Files which would be run are marked with an asterix"
-    print "                symbol [*].  For files which would not be run,"
-    print "                information is given for why they are excluded"
-    print "  --help        Show this help and exit"
-    print "  --version     Show version and copyright information"
-    print
-    print "ENVIRONMENT specifies a list of environments for which to run autostart"
-    print "applications.  If none are specified, only applications which do not "
-    print "limit themselves to certain environments will be run."
-    print
-    print "ENVIRONMENT can be one or more of:"
-    print "  GNOME         Gnome Desktop"
-    print "  KDE           KDE Desktop"
-    print "  ROX           ROX Desktop"
-    print "  XFCE          XFCE Desktop"
-    print "  Old           Legacy systems"
-    print
+    print("Usage:", ME, "[OPTION]... [ENVIRONMENT]...")
+    print()
+    print("This tool will run xdg autostart .desktop files")
+    print()
+    print("OPTIONS")
+    print("  --list        Show a list of the files which would be run")
+    print("                Files which would be run are marked with an asterix")
+    print("                symbol [*].  For files which would not be run,")
+    print("                information is given for why they are excluded")
+    print("  --help        Show this help and exit")
+    print("  --version     Show version and copyright information")
+    print()
+    print("ENVIRONMENT specifies a list of environments for which to run autostart")
+    print("applications.  If none are specified, only applications which do not ")
+    print("limit themselves to certain environments will be run.")
+    print()
+    print("ENVIRONMENT can be one or more of:")
+    print("  GNOME         Gnome Desktop")
+    print("  KDE           KDE Desktop")
+    print("  ROX           ROX Desktop")
+    print("  XFCE          XFCE Desktop")
+    print("  Old           Legacy systems")
+    print()
 
 def show_version():
-    print ME, VERSION
-    print "Copyright (c) 2008        Dana Jansens"
-    print
+    print(ME, VERSION)
+    print("Copyright (c) 2008        Dana Jansens")
+    print()
 
 if __name__ == "__main__":
         sys.exit(main())
